Mystery revealed! McDonald’s shows how a McRib is made

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What exactly goes inside a McDonald’s McRib? Is it pork? Is it made from plastic yoga mats? We now know. reported that McDonald’s wants to change people’s minds about the McRib and is launching a promotional video series called “Our food. Your questions.”

Former “Mythbusters” co-host Grant Imahara also took a look at McDonald’s food operations in an effort to debunk any possible rumors.

Check it out in the video above.